Toyama, Yoshiro
Murase, Kimihiko
Azuma, Masanori
Hamada, Satoshi
Tachikawa, Ryo
Tanizawa, Kiminobu
Handa, Tomohiro
Kubo, Takeshi
Hitomi, Takefumi
Oga, Toru
Hirai, Toyohiro
Chin, Kazuo
Funding for this research was provided by:
Philips-Respironics, Teijin Pharma, Fukuda Denshi and Fukuda Lifetec Keiji